Recently, a post titled "Water heater for three years without cleaning equals bathing with sewage" caused a hot discussion among netizens. The post said that the tank will not be cleaned for a long time, and there will be serious problems of scale and rust. The relevant technical personnel said that the long-term non-cleaning of the water heater does have such problems, but it is not as serious as the post mentioned. The public can use it as long as it is cleaned regularly.
When removing rust with rust remover
Water is reddish brown
Recently, a netizen named "Curious Experiment" posted a message on the forum, saying that "the water heater does not clean for three years is equivalent to taking a bath with sewage" and is equipped with several experimental pictures. The netizen dismantled the water heater from his own water. At first, the water was still clear. At the end, the water flowing out of the water pipe had turned into a turbid reddish brown color. "There is also the smell of vegetable rot."
In order to verify the authenticity of the post content, the reporter came to an electrical repair center in Jinan, maintenance engineer Yao Yumei said, "This statement is too exaggerated, the electric water heater does contain accumulated scale or rust, but the sealed electric water heater scale is generally attached to the heating. At the bottom of the rod and the tank, only a small amount of impurities will flow out with the water when bathing."
According to reports, it is an old-fashioned electric water heater that is easy to rust. The upper part of the water tank of this electric water heater has an opening that communicates with the outside world, so it is easy to rust. In addition, if the water pipe ages, it may cause rust to accumulate inside the water heater. “When such a water tank is deeply cleaned with a rust remover, the water that is poured out is reddish brown,†Yao Yumei said.
Yao Yumei said, "The electric water heaters that are commonly used at home are sealed. Although they are not easy to rust, they will be prone to scale accumulation if they are not cleaned for a long time."
More scale will be
Affect heating efficiency
"The pressure-type electric water heater does have the phenomenon of depositing scale. If it is not cleaned for a long time, the scale on the heating rod will be more and more, the heating efficiency will be continuously reduced. Once the scale is completely wrapped around the heating rod, it will be heated and dried. There is no difference," said a technician from a well-known water heater company.
There is more scale, will it flow out with the water when it is bathed? It is understood that the hot water outlet of the water tank of the pressure-type electric water heater is at the top of the liner, and the inlet of the cold water is at the bottom of the liner. When taking a bath, the cold water squeezes the hot water to the top, and most of the scale is deposited near the bottom of the liner, so the water used for bathing is the relatively clean water at the top.
"The scale accumulates a lot, and every time I take a bath, I still bring out some dirty things. The shower shower takes a long time and gradually gets out of water. It is because the scale is blocked by the scale. If you look carefully, you can see the flowers. Sprinkle the scale on the nozzle,†the technician explained.
It is understood that the speed at which the water tank accumulates scale is related to water quality, and the hard water scale of the water is accumulated quickly. The staff of Jinan Water Group said that the water quality of tap water in Jinan has reached the national standard, but it is relatively hard and rich in minerals. Such water is prone to scale when heated.
Water heater for one or two years
Clean up once
"If you have not cleaned the water heater for many years, it is generally difficult for the public to clean it up," Yao Yumei said. "Because in most cases, the entire water tank needs to be unloaded and disassembled. However, if the electric water heater has a sewage outlet, everyone usually spends one or two months. It is possible to carry out water discharge maintenance and reduce the accumulation of scale. If there is a pipe attached to the water heater, it can be connected to prevent the dirty water from being splashed everywhere."
It is understood that the general appliance repair service center cleans the electric water heater at a cost of 80 to 100 yuan. Generally speaking, it is more suitable to carry out deep cleaning for one to two years. Some electric water heaters have magnesium rods that absorb scale inside, about two years. It needs to be replaced once. If the public wants to clean it by themselves, it is important to pay attention to the safety of electricity. First disconnect the power and then disassemble the water tank to avoid electrical injury. Xu Yunyun
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